Over the past 20 years, there have been 122 property sales recorded in the AL10 9GY postcode area. The highest sale price reached £317,000, while the most recent sale was for a terraced flat sold in July 2025 for £240,000.

The estimated average property value in AL10 9GY currently stands at £261,273, which is approximately 38.6% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £4,139.

Property prices in AL10 9GY have risen by 1.8% over the past year , with a total increase of 3.4% over the past five years , and a long-term rise of 25.6% over the past decade .

100% of recorded transactions in the area were for flat properties.

Housing in AL10 9GY is mixed, with 38% of homes being rented, indicating a diverse residential makeup.

Click on the map to change the analyzed area

Property Sales

143 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£268,333
streetscan.co.uk estimate
13 Nov 2009
£170,000
24 Jun 2005
£185,000
More details

144 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£290,106
streetscan.co.uk estimate
22 Mar 2010
£184,995
10 Aug 2007
£210,500
View +1 more
More details

145 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£246,066
streetscan.co.uk estimate
20 Aug 2021
£242,500
15 Sep 2006
£198,500
View +1 more
More details

146 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 861 sq ft
Today
£202,629
streetscan.co.uk estimate
11 Dec 2018
£202,000
30 Jun 2005
£184,000
More details

147 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 786 sq ft
Today
£265,216
streetscan.co.uk estimate
4 Dec 2023
£260,000
11 Aug 2017
£250,000
View +1 more
More details

148 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£295,982
streetscan.co.uk estimate
30 Jun 2005
£179,550
More details

149 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£292,067
streetscan.co.uk estimate
29 Jun 2005
£177,175
More details

150 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£296,680
streetscan.co.uk estimate
23 Jul 2007
£207,000
29 Jun 2005
£187,000
More details

151 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£283,706
streetscan.co.uk estimate
19 Nov 2014
£218,800
30 Jun 2005
£182,500
More details

152 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£227,116
streetscan.co.uk estimate
19 Jan 2017
£225,000
29 Jun 2005
£182,500
More details

153 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 452 sq ft
Today
£178,135
streetscan.co.uk estimate
4 Dec 2020
£175,000
29 Jun 2005
£154,000
More details

154 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 621 sq ft
Today
£203,131
streetscan.co.uk estimate
11 Mar 2016
£180,000
29 Jun 2005
£168,500
More details

155 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£240,030
streetscan.co.uk estimate
26 Jan 2022
£245,000
12 May 2006
£205,000
View +1 more
More details

156 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£226,642
streetscan.co.uk estimate
29 Nov 2024
£225,000
29 Jun 2005
£175,000
More details

157 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£308,263
streetscan.co.uk estimate
29 Jun 2005
£187,000
More details

158 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£280,239
streetscan.co.uk estimate
29 Jun 2005
£170,000
More details

159 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£317,845
streetscan.co.uk estimate
30 Jan 2007
£204,000
26 Jul 2005
£187,000
More details

160 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 746 sq ft
Today
£257,029
streetscan.co.uk estimate
26 May 2016
£240,000
30 Jun 2005
£187,000
More details

161 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£222,695
streetscan.co.uk estimate
27 Oct 2023
£225,000
5 Feb 2010
£171,000
View +1 more
More details

162 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£284,360
streetscan.co.uk estimate
24 Jun 2005
£172,500
More details

163 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£308,263
streetscan.co.uk estimate
28 Jun 2005
£187,000
More details

164 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£254,211
streetscan.co.uk estimate
29 May 2019
£250,000
10 Feb 2012
£182,000
View +1 more
More details

165 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£220,654
streetscan.co.uk estimate
26 Jun 2015
£179,995
More details

166 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 710 sq ft
Today
£180,609
streetscan.co.uk estimate
17 Sep 2020
£175,000
30 Oct 2015
£175,000
View +2 more
More details

167 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£266,439
streetscan.co.uk estimate
11 May 2015
£211,000
30 Jun 2005
£189,000
More details

168 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

Today
£313,208
streetscan.co.uk estimate
30 Jun 2005
£190,000

169 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£314,857
streetscan.co.uk estimate
30 Jun 2005
£191,000
More details

170 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 614 sq ft
Today
£251,996
streetscan.co.uk estimate
30 Aug 2017
£247,300
27 May 2010
£180,000
View +1 more
More details

171 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£252,824
streetscan.co.uk estimate
18 Jun 2020
£240,000
29 Jun 2005
£188,500
More details

172 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 732 sq ft
Today
£310,735
streetscan.co.uk estimate
29 Jun 2005
£188,500
More details

173 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 807 sq ft
Today
£246,901
streetscan.co.uk estimate
30 Jul 2025
£240,000
29 Jun 2005
£172,000
More details

174 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£291,699
streetscan.co.uk estimate
30 Jun 2014
£215,000
11 Apr 2013
£166,000
View +1 more
More details

175 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£241,500
streetscan.co.uk estimate
29 Nov 2019
£238,000
10 Aug 2006
£120,000
View +1 more
More details

176 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£253,908
streetscan.co.uk estimate
9 Mar 2016
£224,995
25 Aug 2005
£190,000
More details

177 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 484 sq ft
Today
£185,555
streetscan.co.uk estimate
14 Mar 2017
£183,250
29 Jun 2005
£155,000
More details

178 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 452 sq ft
Today
£200,268
streetscan.co.uk estimate
15 Sep 2015
£170,000
15 Jul 2005
£176,000
More details

179 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 753 sq ft
Today
£263,178
streetscan.co.uk estimate
5 Jul 2011
£173,000
30 Jun 2005
£191,000
More details

180 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 700 sq ft
Today
£266,640
streetscan.co.uk estimate
14 May 2010
£175,000
30 Apr 2009
£168,000
View +3 more
More details

181 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 818 sq ft
Today
£282,226
streetscan.co.uk estimate
15 Jan 2008
£197,500
29 Jun 2005
£193,000
More details

183 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 825 sq ft
Today
£244,557
streetscan.co.uk estimate
30 Jul 2019
£240,000
More details

184 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 743 sq ft
Today
£244,494
streetscan.co.uk estimate
27 May 2021
£245,000
4 Jan 2008
£200,000
View +2 more
More details

185 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£266,908
streetscan.co.uk estimate
13 Sep 2018
£260,000
29 Jun 2005
£172,000
More details

186 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 818 sq ft
Today
£256,346
streetscan.co.uk estimate
5 Feb 2018
£259,000
29 Jun 2005
£193,000
More details

187 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£277,238
streetscan.co.uk estimate
6 Jun 2008
£192,000
29 Jun 2005
£187,000
More details

188 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£285,049
streetscan.co.uk estimate
23 Mar 2012
£180,000
30 Jun 2005
£181,450
More details

189 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 517 sq ft
Today
£310,735
streetscan.co.uk estimate
29 Jun 2005
£188,500
More details

190 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 420 sq ft
Today
£189,512
streetscan.co.uk estimate
29 Jul 2021
£185,000
25 Nov 2016
£180,000
View +1 more
More details

191 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 710 sq ft
Today
£277,804
streetscan.co.uk estimate
29 May 2015
£220,000
29 Jun 2005
£193,000
More details

192 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 936 sq ft
Today
£306,222
streetscan.co.uk estimate
20 Jan 2023
£317,000
14 Oct 2015
£285,000
View +1 more
More details

193 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£261,295
streetscan.co.uk estimate
9 Mar 2012
£165,000
28 Jun 2005
£170,000
More details

194 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 715 sq ft
Today
£254,875
streetscan.co.uk estimate
1 Nov 2017
£252,500
31 Aug 2011
£168,500
View +1 more
More details

195 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 818 sq ft
Today
£241,500
streetscan.co.uk estimate
30 Jun 2011
£163,500
19 Jun 2006
£205,000
View +1 more
More details

196 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 654 sq ft
Today
£271,734
streetscan.co.uk estimate
15 Sep 2010
£182,000
29 Jul 2005
£192,000
More details

197 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

Today
£391,502
streetscan.co.uk estimate
30 Jun 2005
£237,495

198 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 3bed
📐 786 sq ft
Today
£288,606
streetscan.co.uk estimate
15 Aug 2014
£217,500
23 Nov 2007
£210,000
View +1 more
More details

199 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 474 sq ft
Today
£194,841
streetscan.co.uk estimate
15 Jun 2018
£190,000
29 Jul 2005
£175,000
More details

200 Clarkson Court, Hatfield, Welwyn Hatfield, Hertfordshire, AL10 9GY

🏠 Flat
🛏️ 2bed
📐 226 sq ft
Today
£201,463
streetscan.co.uk estimate
5 Jun 2017
£197,500
26 Jul 2005
£181,000
More details

Area Insights

Data Sources

Properties at AL10 9GY appear one hundred and twenty-two times in the Land Registry records, with the latest transaction recorded on 30 Jul 2025. It also has fifty-five Energy Performance Certificates (EPC) entries, the earliest dating back to 20 Sep 2021. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.